diff --git a/DESCRIPTION b/DESCRIPTION
index 28bfdb3..b2b5546 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -33,7 +33,8 @@ Imports:
     tidyr,
     magrittr,
     reshape2,
-    gtable
+    gtable,
+    ggpubr
 Remotes:
    Atlantis-Ecosystem-Model/atlantistools,
    r4atlantis/atlantisom
diff --git a/R/make_atlantis_diagnostic_figures.R b/R/make_atlantis_diagnostic_figures.R
index 3b392f1..2d2a637 100644
--- a/R/make_atlantis_diagnostic_figures.R
+++ b/R/make_atlantis_diagnostic_figures.R
@@ -459,8 +459,8 @@ print("length age")
       dplyr::mutate(decade = floor(time/10)*10)
 
     weight.lim = weight %>%
-      group_by(species,agecl)%>%
-      summarise(weight.min = min(meanWeight)/1000,
+      dplyr::group_by(species,agecl)%>%
+      dplyr::summarise(weight.min = min(meanWeight)/1000,
                 weight.max = max(meanWeight)/1000)
 
     ages = sort(unique(weight.decade$agecl))